Packet #2636208 Success

POSITION_APP packet from LZ2HT🇧🇬 CA4123KH (9d4b) to !ffffffff

2
Total Receptions
1
Unique Gateways
0
Hop Count
34
Payload Bytes
Packet Information
Database ID: 2636208
Mesh Packet ID: 0x00ab70fc
Used for correlation across gateways
Timestamp: 2026-04-04 06:02:15 UTC
From Node: LZ2HT🇧🇬 CA4123KH (9d4b)
To Node: !ffffffff (ffff)
Success: Processed
Protocol: POSITION_APP
Port: 3
Gateway: LZ2HT🇧🇬 CA4123KH (9d4b)
Channel: ShortFast
RSSI: Unknown
SNR: Unknown
Hop Info: 0/5 hops
Start: 5, Limit: 5
Relay Node: 4b 9d4b
Last byte of the last hop that relayed this packet - Candidate source node(s) based on 0-hop direct receptions
Payload Data
Protocol: POSITION_APP
Size: 34 bytes
Decoded: Yes
Decoded Data:
Latitude:42.658202°
Longitude:23.321805°
Altitude:622 m
Satellites:6
Precision:18 bits
Raw Packet Analysis
Complete field breakdown and MQTT privacy/exposure analysis
Packet Structure
MQTT Packet Flow:
ServiceEnvelope (MQTT layer) → MeshPacket (Mesh layer) → Decoded Payload (Application data)
Total Size:34 bytes
Gateway:!744c9d4b
Channel:ShortFast
Payload Type:POSITION_APP
Hop Count:Unknown / 5
Privacy Summary
Exposure Level:
Broadcast
Privacy Features:
✓ Direct LoRa transmission (not via MQTT)
✓ Custom channel: ShortFast
+ 2 more...
Exposure Risks:
âš  Visible to all nodes on channel
âš  Packet visible to MQTT subscribers
+ 1 more...
MQTT ServiceEnvelope Fields

MQTT ServiceEnvelope contains the MeshPacket plus routing metadata

FieldValue
gateway_id !744c9d4b
Node ID format
channel_id ShortFast
packet MeshPacket (34 bytes)
Contains the actual mesh network packet
MeshPacket Fields

Core mesh packet with routing and payload information

FieldValueType
from 1951178059
Source node ID 		uint32
to 4294967295 (Broadcast)
Visible to all nodes 		uint32
decoded.portnum 3
POSITION_APP 		enum
decoded.payload_length 34 bytes size
hop_limit 5
Remaining hops allowed 		uint32
hop_start 5
Initial hop limit 		uint32
hops_taken 0
Calculated: hop_start - hop_limit 		derived
rx_rssi Not set int32
rx_snr Not set float
rx_time 1775282535
Receive timestamp 		fixed32
via_mqtt False
Direct LoRa transmission 		bool
want_ack False
No ACK requested 		bool
priority 10
Packet priority level 		enum
delayed Not set enum
channel Not set uint32
pki_encrypted False
Standard encryption 		bool
next_hop Not set uint32
relay_node 75
Relay node ID 		uint32
tx_after Not set uint32
timestamp 1775282535.8201287
Unix timestamp 		uint32
MQTT Privacy & Exposure Analysis

Analysis of privacy features and exposure risks when packet is shared via MQTT

Exposure Level: Broadcast
Privacy Features:
  • ✓ Direct LoRa transmission (not via MQTT)
  • ✓ Custom channel: ShortFast
  • ✓ Gateway node ID tracked
  • ✓ Zero-hop: direct from source to MQTT gateway
Exposure Risks:
  • âš  Visible to all nodes on channel
  • âš  Packet visible to MQTT subscribers
  • âš  Full GPS precision shared
MQTT-Specific Fields
Gateway ID: !744c9d4b
Position Precision: 18 bits (~91.0m accuracy)
Position precision meters: 91.0
Zero Hop Policy: Enabled
Direct gateway connection
Complete Payload Analysis

Detailed breakdown of all payload fields and decoded data

Payload Metadata:
Protocol:POSITION_APP
Size:34 bytes
Decoded: Yes
Complete Payload Data (JSON):
{ "latitude": 42.6582016, "longitude": 23.3218048, "altitude": 622, "sats_in_view": 6, "precision_bits": 18 }
Complete Protobuf Decode (JSON)
{ "service_envelope": { "gateway_id": "!744c9d4b", "channel_id": "ShortFast", "packet": "MeshPacket (see mesh_packet below)" }, "mesh_packet": { "from": 1951178059, "to": 4294967295, "id": 11235580, "rx_time": 1775282535, "rx_snr": 0.0, "rx_rssi": 0, "hop_limit": 5, "hop_start": 5, "via_mqtt": 0, "want_ack": 0, "priority": 10, "delayed": 0, "channel_index": null, "pki_encrypted": 0, "next_hop": 0, "relay_node": 75, "tx_after": 0, "decoded": { "portnum": 3, "payload": "0d00206d191500a0e60d18ee042567a9d069280258ee027802800100980106b80112", "want_response": null, "dest": null, "source": null, "request_id": null, "reply_id": null, "emoji": null, "parsed_payload": { "latitude_i": 426582016, "longitude_i": 233218048, "altitude": 622, "time": 1775282535, "location_source": "LOC_INTERNAL", "PDOP": 366, "ground_speed": 2, "ground_track": 0, "sats_in_view": 6, "precision_bits": 18, "type": "protobuf", "portnum": "POSITION_APP", "message_class": "Position" } } } }
Raw Packet Data (34 bytes)
0d00206d191500a0e60d18ee042567a9d069280258ee027802800100980106b80112
Hex Analysis:
Size:34 bytes
Format:Protobuf (Protocol Buffers)
Encoding:Binary with varint and length-delimited fields
This is the raw protobuf-encoded payload as received from MQTT. The structure follows the Meshtastic protobuf schema definitions.
All Receptions
All gateways that received this packet
Correlation: Using Mesh Packet ID
Reception Locations

Loading reception map...

Map shows gateway locations that received this packet. Hop counts are displayed if available.
Gateway Time Offset RSSI SNR Hops Relay Channel Timestamp Actions
LZ2HT🇧🇬 CA4123KH (9d4b) Primary 0.000s
Reference 		Unknown Unknown 0 4b 9d4b ShortFast 2026-04-04 06:02:15 UTC Current
LZ2HT🇧🇬 CA4123KH (9d4b) +0.071s
After 		Unknown Unknown 0 4b 9d4b ShortFast 2026-04-04 06:02:15 UTC View
2

Total Receptions

1

Unique Gateways